PERSONNEL HEATER - TM-9-2350-261-20-1

TM-9-2350-261-20-1 Carrier Personnel Full Tracked Armored M113A2 2350-01-068-4077 Carrier Command Post Light Tracked M577A2 2350-01-068-4089 Manual
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TM9-2350-261-20-1 Equal pressure on both steering levers applies both brakes and slows or stops the carrier. The differential overheat switch is connected to a warning light in the driver’s compartment. When warning light comes on it means oil temperature is too high. PERSONNEL HEATER The personnel heater system provides heat inside the carrier. Major parts are the combination combustion chamber/heat exchanger, blowers, a fuel pump, and an electrical control. The heater operates using diesel fuel pumped from the fuel tank. Fuel is delivered to the combustion chamber from the fuel pump. Outside air is drawn into the combustion chamber by one of the blowers. A blower draws air from the crew compartment into the heater exchanger. The air is warmed by heat created by the combustion process and then returned to the crew compartment. BILGE PUMPS Two electrically driven bilge pumps remove water and other liquids from the hull. Water enters the pumps through a screened inlet. The pumps force water out of the carrier through outlet tubes. The bilge pumps are controlled by a switch on the driver’s panel. HYDRAULIC SYSTEM The ramp is raised or lowered by an hydraulic system which consists of a pump, a cylinder, a control valve, and an hydraulic tank. This system is controlled by a three position valve located near the driver. Moving the valve to the RAISE position directs fluid to the ramp cylinder. Moving the valve to the LOWER position allows the gravity of the ramp to return hydraulic fluid to the reservoir. FIRE EXTINGUISHER SYSTEM The fire extinguisher system consists of two CO2 (Carbon Dioxide) cylinders; one fixed and one Portable. Carbon Dioxide can put out fires quickly and effectively. The fixed cylinder is located near the driver’s compartment and is operated manually by pulling cables located on top of carrier next to driver’s hatch. The fixed cylinder releases CO2 in the power plant compartment only. The portable fire extinguisher is located in the crew compartment and is manually discharged. 2-6

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